by Little Learners Big Thoughts
Price: 300 points or $3 USD
Subjects: math
Grades: 2,3,4
Description: This set of 24 BOOM Cards requires students to add three-digit numbers to find the sum as well as round the numbers to the nearest ten or hundred to solve for the estimate. There are also 12 cards that ask the student to choose which does not round to the number provided.